| KarakasUltimate Masters · 244 | Ultimate Masters | 244 | Mythic Rare | €12.08 |
| Karametra, God of HarvestsBorn of the Gods · 148 | Born of the Gods | 148 | Mythic Rare | €3.40 |
| Karametra, God of HarvestsCommander 2020 · 218 | Commander 2020 | 218 | Mythic Rare | €1.95 |
| Karametra, God of HarvestsCommander Legends · 522 | Commander Legends | 522 | Mythic Rare | €2.84 |
| Karametra, God of HarvestsSecret Lair Drop Tokens · 69 | Secret Lair Drop Tokens | 69 | Mythic Rare | $17.80 |
| Karametra, God of HarvestsThe List Tokens · BNG-148 | The List Tokens | BNG-148 | Mythic Rare | €1.90 |
| Karametra, God of HarvestsPioneer Masters · 310 | Pioneer Masters | 310 | Mythic Rare | — |
| Karametra, God of HarvestsMagic Online Promos · 86202 | Magic Online Promos | 86202 | Mythic Rare | — |
| Karazikar, the Eye TyrantForgotten Realms Commander · 49 | Forgotten Realms Commander | 49 | Mythic Rare | €4.88 |
| Karazikar, the Eye TyrantForgotten Realms Commander · 319 | Forgotten Realms Commander | 319 | Mythic Rare | €11.88 |
| Karazikar, the Eye TyrantSecret Lair Drop Tokens · 1791 | Secret Lair Drop Tokens | 1791 | Mythic Rare | €17.37 |
| Karazikar, the Eye TyrantThe List Tokens · AFC-49 | The List Tokens | AFC-49 | Mythic Rare | — |
| Kardur, DoomscourgeStarter Commander Decks · 5 | Starter Commander Decks | 5 | Mythic Rare | $0.59 |
| Kardur, Doomscourge // Kardur, DoomscourgeSecret Lair Drop Tokens · 1807 | Secret Lair Drop Tokens | 1807 | Mythic Rare | €15.83 |
| Kargan DragonlordRise of the Eldrazi · 152 | Rise of the Eldrazi | 152 | Mythic Rare | $0.96 |
| Kargan DragonlordThe List Tokens · ROE-152 | The List Tokens | ROE-152 | Mythic Rare | €0.41 |
| Kari Zev, Crew of TwoAlchemy: Aetherdrift · 14 | Alchemy: Aetherdrift | 14 | Mythic Rare | — |
| Karlach, Fury of AvernusCommander Legends: Battle for Baldur's Gate · 186 | Commander Legends: Battle for Baldur's Gate | 186 | Mythic Rare | $19.67 |
| Karlach, Fury of AvernusCommander Legends: Battle for Baldur's Gate · 400 | Commander Legends: Battle for Baldur's Gate | 400 | Mythic Rare | $16.44 |
| Karlach, Fury of AvernusCommander Legends: Battle for Baldur's Gate · 507 | Commander Legends: Battle for Baldur's Gate | 507 | Mythic Rare | $19.95 |
| Karlach, Fury of AvernusBattle for Baldur's Gate Promos · 186s | Battle for Baldur's Gate Promos | 186s | Mythic Rare | €16.75 |
| Karlach, Fury of AvernusSecret Lair Drop Tokens · 1802 | Secret Lair Drop Tokens | 1802 | Mythic Rare | $27.94 |
| Karlach, Fury of AvernusThe List Tokens · CLB-186 | The List Tokens | CLB-186 | Mythic Rare | — |
| Karlov of the Ghost CouncilCommander 2015 · 46 | Commander 2015 | 46 | Mythic Rare | €10.29 |
| Karlov of the Ghost CouncilJudge Gift Cards 2021 · 7 | Judge Gift Cards 2021 | 7 | Mythic Rare | €13.01 |
| Karlov of the Ghost CouncilRavnica Remastered · 193 | Ravnica Remastered | 193 | Mythic Rare | €11.70 |
| Karlov of the Ghost CouncilRavnica Remastered · 369 | Ravnica Remastered | 369 | Mythic Rare | $10.88 |
| Karlov of the Ghost CouncilRavnica Remastered · 369z | Ravnica Remastered | 369z | Mythic Rare | €112.46 |
| Karlov of the Ghost CouncilRavnica Remastered · 437 | Ravnica Remastered | 437 | Mythic Rare | $12.65 |
| Karn, Legacy ReforgedMarch of the Machine: The Aftermath · 49 | March of the Machine: The Aftermath | 49 | Mythic Rare | €8.58 |
| Karn, Legacy ReforgedMarch of the Machine: The Aftermath · 99 | March of the Machine: The Aftermath | 99 | Mythic Rare | €13.93 |
| Karn, Legacy ReforgedMarch of the Machine: The Aftermath · 149 | March of the Machine: The Aftermath | 149 | Mythic Rare | €0.39 |
| Karn, Legacy ReforgedMarch of the Machine: The Aftermath · 184 | March of the Machine: The Aftermath | 184 | Mythic Rare | €12.94 |
| Karn, Legacy ReforgedMystery Booster 2 Tokens · 255 | Mystery Booster 2 Tokens | 255 | Mythic Rare | €30.95 |
| Karn LiberatedDouble Masters · 1 | Double Masters | 1 | Mythic Rare | $3.54 |
| Karn LiberatedDouble Masters · 333 | Double Masters | 333 | Mythic Rare | €9.83 |
| Karn LiberatedJumpstart 2022 · 97 | Jumpstart 2022 | 97 | Mythic Rare | $3.11 |
| Karn LiberatedModern Masters 2015 · 4 | Modern Masters 2015 | 4 | Mythic Rare | €3.14 |
| Karn LiberatedNew Phyrexia · 1 | New Phyrexia | 1 | Mythic Rare | €3.33 |
| Karn LiberatedThe List Tokens · NPH-1 | The List Tokens | NPH-1 | Mythic Rare | $3.53 |
| Karn LiberatedUltimate Box Topper · U2 | Ultimate Box Topper | U2 | Mythic Rare | €13.65 |
| Karn LiberatedSecret Lair Promo · 36 | Secret Lair Promo | 36 | Mythic Rare | €57.07 |
| Karn LiberatedUltimate Masters · 5 | Ultimate Masters | 5 | Mythic Rare | €2.61 |
| Karn LiberatedMagic Online Promos · 82876 | Magic Online Promos | 82876 | Mythic Rare | — |
| Karn, Living LegacyDominaria United · 1 | Dominaria United | 1 | Mythic Rare | $1.30 |
| Karn, Living LegacyDominaria United · 372 | Dominaria United | 372 | Mythic Rare | €1.33 |
| Karn, Living LegacyDominaria United Promos · 1p | Dominaria United Promos | 1p | Mythic Rare | $1.18 |
| Karn, Living LegacyDominaria United Promos · 1s | Dominaria United Promos | 1s | Mythic Rare | €2.31 |
| Karn, Living LegacyMagic Online Promos · 103474 | Magic Online Promos | 103474 | Mythic Rare | — |
| Karn, Scion of UrzaDominaria · 1 | Dominaria | 1 | Mythic Rare | €3.09 |